The Lust List 10.05

ROLL OVER You're looking at the Janet Reno of inline skates: big, odd looking, and powerful. The giant, angled wheels offer a surprisingly smooth stroke, and their side mountings keep you closer to the ground than other big-wheeled models. We cruised over minefields of gravel and debris while other skaters buried their faces in dirt. Aesthetics aside, these skates are a blast. $250. landroller.com

Tanita BC-533 Innerscan Body-Composition Monitor

LOOK WITHIN Body fat is a poor conductor, as Kirstie Alley happily learned when she Godzilla'd the electric fence around her bonbon stash. An impedance scale employs that principle to measure body fat: A low-level current assesses bone density, muscle mass, and the visceral fat padding your midsection. This scale even politely suggests a daily calorie intake. For accuracy, it can't match calipers or a dunk tank, but it's consistent enough for weekly progress checks. (Checking more frequently is kind of obsessive.) $120. www.tanita.com

Power-Breathe Trainers

BREATHE DEEPER Muscles are overrated in endurance events--it's strong lungs that make the difference. These inhalerlike breathing trainers are designed to shore up your diaphragm, helping you bring in more air, faster. The result: Your lungs process more oxygen, and your muscles last longer. Thirty breaths twice a day can boost inhalation strength by 31 percent and endurance by 28 percent, one study shows. $70. gaiam.com

Bowflex Revolution

SAVE SPACE A conventional Bowflex looks as if it could launch flaming buckets of oil onto invading Orcs. This sleek sequel has no metal parts, so it's quiet and flexible. Each cartridge contains an elastic strap that tightens around a central coil as you push or pull. If it's good enough to help astronauts on the International Space Station fight off muscle atrophy, it's good enough for us. $2,400. bowflexrevolution.com

SportsArt Fitness X-Trainer

MOVE SMOOTHLY Cross an elliptical trainer with a recumbent bike and you get this mongrel, which SportsArt prefers to call a hybrid. The promise of a better workout without working harder sounds like snake oil until you sit and spin. Independent resistance systems keep your whole body engaged. Fingertip controls allow on-the-fly resistance changes, customized training options, and heart-rate threshold control. $4,900. www.sportsartfitness.com

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